circle

Related Questions

• The equations of the tangents to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ parallel to the line $\sqrt{3}x+y+3=0$ are

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• The number of circles touching the lines $x=0$ , $y=a$ and $y=b$ is

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• The equation of a circle which touches both axes and the line $3x-4y+8=0$ and whose centre lies in the third quadrant is

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• If $a>2b>0$ then the positive value of m for which $y=mx-b\sqrt{1+{{m}^{2}}}$ is a common tangent to ${{x}^{2}}+{{y}^{2}}={{b}^{2}}$ and ${{(x-a)}^{2}}+{{y}^{2}}={{b}^{2}}$ , is

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• If the circle ${{(x-h)}^{2}}+{{(y-k)}^{2}}={{r}^{2}}$ touches the curve $y={{x}^{2}}+1$ at a point (1, 2), then the possible locations of the points (h, k) are given by

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